Chapter 18. Case Study: Mobile Clients for Location-Based Services

CHAPTER OVERVIEW

  • Location-Based Service

  • Microsoft MapPoint Web Services

  • The Apache Axis Web Services Facade

  • MapPoint J2ME Clients

  • Enhancing the Driving Directions Application

  • The J2ME Location API

In the previous two chapters, we discussed how to consume Web Services on mobile devices using the kSOAP and J2ME JAX-RPC APIs. In this chapter, we study real-world mobile Web Services in an emerging key mobile application field: Location-Based Services (LBS). After explaining basic LBS concepts, we introduce Microsoft MapPoint Web Service, a leading LBS Web Services provider. Then, we create a concrete example that allows users to look up driving directions on the move. It uses J2ME at the ...

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